wannacry | 319dcd357a567cdd92c86cfc4b72a26b53f464be896713f32f61117e088bbac1

General

Target

2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Size

3.6MB
MD5

2c6bc97c8085e14d87b1febea01ebead
SHA1

58f48ab2862cfe4a08ad6add831d3a3639493ecb
SHA256

319dcd357a567cdd92c86cfc4b72a26b53f464be896713f32f61117e088bbac1
SHA512

7d7388b41256939e409ad59e877cb3beabf73e7326fd52e6aa384e1acf6f5a04afaa0db0b161bcf241b2c9f0a0ff7eb56778f7b3a9065837319b56c0773c1121
SSDEEP

98304:XDqPoBhz1CRxcSUDk36SAEdhvxWa9P593R8yAVp2HI:XDqPe1Kxcxk3ZAEUadzR8yc4HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3128) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 1 IoCs

pid	Process
2700	tasksche.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00b2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{32130C20-4D0C-4F48-ACC2-A873E7E15D5A}\WpadDecisionTime = 104262ef6717db01	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{32130C20-4D0C-4F48-ACC2-A873E7E15D5A}	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-07-d4-8d-27-8b\WpadDecisionTime = 104262ef6717db01	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{32130C20-4D0C-4F48-ACC2-A873E7E15D5A}\WpadDecisionReason = "1"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{32130C20-4D0C-4F48-ACC2-A873E7E15D5A}\WpadDecision = "0"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{32130C20-4D0C-4F48-ACC2-A873E7E15D5A}\WpadNetworkName = "Network 3"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-07-d4-8d-27-8b\WpadDecision = "0"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{32130C20-4D0C-4F48-ACC2-A873E7E15D5A}\96-07-d4-8d-27-8b	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-07-d4-8d-27-8b\WpadDecisionReason = "1"	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\96-07-d4-8d-27-8b	2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe

C:\Users\Admin\AppData\Local\Temp\2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:2480
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:2700

C:\Users\Admin\AppData\Local\Temp\2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2024-10-05_2c6bc97c8085e14d87b1febea01ebead_wannacry.exe -m security
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:2060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

2

T1046

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
3b79c6a2ec98ff1719a4543a5c37c4ce

SHA1
41f7703b7b576ea6179c930ea933443eaf492fa1

SHA256
00ea5e90a29a223340328caf39de2c98b8104079b8cc9c535a996d4dfeccc81f

SHA512
ca61b173b95c6d06aa8484fdac7a9498cff7e44664b94a1067944e7e6199ddba6c0947c211fa9452aed717cef480ac6f15198e87a0498f81dc2a71919b06ae20

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